I need a script that will start Google Chrome and then send a signal for it to go into full screen mode (usually done by hitting f11).
Chrome is installed to the def
These types of questions are frowned upon due to you not stating what you have tried and you are just asking for a solution.
However since this is simple I couldn't resist.
Start-Process {Your full path to chrome.exe}\chrome.exe -ArgumentList '--start-maximized'
Sometimes a temporary folder is needed to get Chrome to start this way, so in those cases this might work.
$pathToChrome = 'C:\Program Files (x86)\Google\Chrome\Application\chrome.exe'
$tempFolder = '--user-data-dir=c:\temp' # pick a temp folder for user data
$startmode = '--start-fullscreen' # '--kiosk' is another option
$startPage = 'https://stackoverflow.com'
Start-Process -FilePath $pathToChrome -ArgumentList $tempFolder, $startmode, $startPage